Then I downloaded IntelliJ IDEA and tried running it. It displayed a warning that IDEA has known graphics issues with OpenJDK and that I should install Oracle JDK.

IDEA works just fine except for its poorly rendered fonts and other UI elements. I wanted to improve my user experience, and so I decided to install Oracle JDK. Googling some keywords landed me on this page.

I followed the instructions on the given page but the installation failed with this error:

1 Answer
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For future visitors, please don't just post links outside of Ask Ubuntu. Keep the links as reference but post the steps you made. As links tends to change after a while due to an upgrade in the other websites or even going out of business, etc...
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DanAug 16 '12 at 9:15